| John Douglas | |
| Nationality: | Guyanese |
| Sport: | Boxing |
| Birth Date: | 27 March 1971 |
| Birth Place: | Georgetown, Guyana |
John Douglas (born 27 March 1971) is a Guyanese former professional boxer who competed from 1997 to 2010. As an amateur, he competed in the men's light heavyweight event at the 1996 Summer Olympics.[1] Douglas lost his first professional fight in a KO against Wayne Braithwaite (Braithwaite's professional debut) at the Cliff Anderson Sports Hall.[2]